Malicious Office (OOXML) / .DOC — malware analysis report

Static analysis result for SHA-256 75c3549af074e453…

MALICIOUS

Office (OOXML) / .DOC

10.2 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 8ddde8544ca5c57b5f1089d8fe9138d8 SHA-1: 162dc13a86363fbc74ea0b39f3e07ff20ac9996e SHA-256: 75c3549af074e4537407b8002366bd993ce5b1dae9ae89816eade0c8940be03f
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file exhibits critical heuristic firings for remote template injection and external relationships, both pointing to a suspicious URL. This indicates the document is designed to download and execute a secondary payload from the specified remote location. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports this malicious intent.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://75.127.1.235/_---------------wii........wii.wiz_-----------w.wiz.......wiz/fwerdsfkjxcvjksdfkkwefkdkfsfjksdkfxcvxjcvksdkfsdjfkskdfkjk) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://75.127.1.235/_---------------wii........wii.wiz_-----------w.wiz.......wiz/fwerdsfkjxcvjksdfkkwefkdkfsfjksdkfxcvx
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://75.127.1.235/_---------------wii........wii.wiz_-----------w.wiz.......wiz/fwerdsfkjxcvjksdfkkwefkdkfsfjksdkfxcvxjcvksdkfsdjfkskdfkjk
    • http://75.127.1.235/_---------------wii........wii.wiz_-----------w.wiz.......wiz/fwerdsfkjxcvjksdfkkwefkdkfsfjksdkfxcvxjcvksdkfsdjfkskdfkjkxvjkjdskfjksjdfkjkjskdfjk.wiz
    • http://75.127.1.235/_---------------wii........wii.wiz_-----------w.wiz.......wiz/fwerdsfkjxcvjksdfkkwefkdkfsfjksdkfxcvx
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml

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